نتایج جستجو برای: anisopliae metarrhizium
تعداد نتایج: 1043 فیلتر نتایج به سال:
در این پژوهش توانایی غلظت های زیر کشنده قارچ های Beauveria bassiana، Beauveria brongniartii و Metarhizium anisopliae در کاهش قدرت تغذیه لارو سوسک شاخدار خرما Oryctes elegans و اثرات آنها بر شاخص های هضم، جذب و دفع سیستم تغذیه مورد بررسی قرار گرفت. برای این منظور ضمن محاسبه غلظت های زیر کشنده کاهش دهنده توانایی تغذیه (EC50 وEC90)، شاخص های فیزیولوژیک، کارایی تبدیل غذای خورده شده (ECI)،...
In the present study, pathogenicity of four native strains of Entomopathogenic fungus; Metarhizium anisopliae, was studied against adult stage of Ixodes ricinus. For this purpose a total number of 180 adult ticks were examined in triplicate. Thirty ticks for each strain and negative and positive controls were immersed in 2.4×107 fungal conidia/ml in vitro. Samples were incubated in separate Pet...
تأثیر دو قارچ metarhizium anisopliae وtrichoderma harzianum بر نماتد ریشه گرهی meloidogyne javanica، در شرایط آزمایشگاهی و گلخانه ای مطالعه و بررسی شد. در بررسی های آزمایشگاهی، با استفاده از آزمون های فرار و کشت متقابل مشخص شد که این دو قارچ اثر آنتاگونیستی بر یکدیگر ندارند. به منظور تعیین اثر این دو قارچ بر نماتد ریشه گرهی در شرایط آزمایشگاهی، آزمایشی با 8 تیمار در قالب طرح کاملاً تصادفی در 4 ...
Abstract Background The pink bollworm, Pectinophora gossypiella , is the most destructive pests of cotton plant in Egypt. Due to several problems insecticides, present study was conducted evaluate toxicity effect entomopathogenic fungi (EPF), Beauveria bassiana and Metarhizium anisopliae against different stages (Saunders) (Lepidoptera: Gelechiidae) Results fungal isolates exhibited a toxic tre...
background: metarhizium anisopliae strain iran 437c is one of the most virulent fungal isolates against house fly, musca domestica . the objective of this study was to determine the interaction of this isolate with sublethal doses of spinosad against housefly. methods: in adult bioassay, conidia of entomopathogenic fungus were applied as inoculated bait at 10 5 and 10 7 spore per gram and spin...
Metarhizium anisopliae is used as a biopesticide for insects that damage agricultural plantations like sugar cane and forage plants. In a previous study the sensitization to this fungus of asthmatic patients coming from sugar cane areas was showed. The aims of this work were: to compare crude extracts obtained with Tris-HCl and Coca liquid from several growth phases of M. anisopliae concerning ...
BACKGROUND Dengue is the most prevalent arboviral disease transmitted by Aedes aegypti worldwide, whose chemical control is difficult, expensive, and of inconsistent efficacy. Releases of Metarhizium anisopliae--exposed Ae. aegypti males to disseminate conidia among female mosquitoes by mating represents a promising biological control approach against this important vector. A better understandi...
The aims of this research were to compare effectiveness fungi Beauveria bassiana and Metarhizium anisopliae control larva population horn beetle (Oryctes rhinoceros) at the same dosage 40 gram/2m2 determine infection rate on beetle. This was conducted Gunung Mas village, Batu Ampar county, Tanah Laut district, South Kalimantan province. used Completed Random Design nonfactorial with 2 factors t...
In this study, the effects of commercially available entomopathogens, Nibortem (Verticillium lecani), Met52 (Metarhizium anisopliae), Nostalgist (Beauveria bassiana) and Priority (Paecilomyces fumosoroseus), a herbal insecticide, Nimbecidine (Azadirachtin), on pest aphids, Aphis fabae Acyrthosiphon pisum, were investigated. The corrected mortalities they caused to A. 78.41%, 87.50%, 65.91%, 63....
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